365201010 ScienceandTechnologyofBaotouSteelVol.36,No.5October,2010*田 颖,常瑞卿,王金梅(内蒙古包钢钢联股份有限公司技术中心,内蒙古包头 014010) :、,,、。、。。:;;;:X703 :B :1009-5438(2010)05-0061-04ResearchonMeasuresofConservingWaterandReducingWaterDrainageinCokingPlantofBaotouSteelTIANYing,CHANGRui-qing,WANGJin-mei(TechnicalCenterofSteelUnionCo.Ltd.ofBaotouSteel(Group)Corp.,Baotou014010,NeiMonggol,China) Abstract:Inthearticle,itisintroducedthesituationsofwaterconsumptionanddrainageaswellasmainsewagetreat-mentsystemsandcirculatingcoolingwatersysteminCokingPlant,aswellasproposedtheschemeandmeasuresofconser-vingwaterandreducingwaterdrainageinit,thatisthemeasuresofoptimizingwaterconsumption,biologicaltreatmentforreusingeffluenttoreducewaterdrainageandthatforadvancedtreatmentofreusingeffluent.Themeasuresofoptimizingwa-terconsumptionincludeoptimizingrunningofcirculatingwater,waterinseriesandideasofoverallprocessmanagementofwaterconsumptionanddrainage,etc.ThemeasuresofconservingwaterandreducingwaterdrainageinCokingPlanthavethegreatsignificancestototalwastewaterreuseandreducingwaterdrainageinBaotouSteel. Keywords:coking;conservewater;reducewaterdrainage;advancedtreatment ,,,,、,。。,,,,,、。1 包钢焦化厂用排水情况1.1 、* :2010-06-30:(1971-),,,,,,、。36。1400m3/h,:750m3/h;650m3/h。1100m3/h,580m3/h,520m3/h。,,,、、CODcr、。1.2 ,。A-O2,、;120m3/h,COD,《》GB8798—1996[1]。A-O(SDN),、、、(CCPP)。400m3/h,COD,《》(GB8978—1996)[1]。520m3/h。120m3/h,400m3/h。1.3 ,,。36333m3/h,927m3/h,406m3/h,521m3/h;428m3/h。。1.3~2.5。2 焦化厂节水减排措施方案,,、。2.1 ,;,();,,;,,。2.1.1 循环水系统优化运行,从源头减少用水量927m3/h,428m3/h;,。,,。《》,()2.5,3.5。574m3/h,74m3/h,353m3/h,279m3/a,38%;353m3/h,279m3/a,82.5%。,,;,。2.1.2 提高用水的使用效率。,、。(1):80m3/h。,。,,、、、,,。(2):、、,COD、,。35m3/h,。(3):625,,50%,50m3/h,、、,,。2.1.3 用排水全过程控制,减少非生产用水损耗,,、。,。:(1):,,。(2):,,、,,,。(3):,3%~5%,,,,。,,,,,1%~2%。2.2 、,,,COD,。,,。。(1):1#—4#,,,,,,,0.4t,,80m3/h。(2):10m3/h,,10m3/h。,,。(3):,300m3/h。《》,。,。2.3 ,,,,。COD、、TDS,,,。,,,,,,、。2.3.1 深度处理工艺,。,。、Fenton、[2]。+、+。、、“”,(Fenton+)+(+)1。1:()TDS、Cl-,GB/T19923—2005[3],。63361 mg/LGB/T19923[3]27100.505COD120501160TDS2624264263310002802404545021019935350Cl-434405232250pH7.357.227.406.50~9.50126320309.809.200.84102.3.2 强氧化处理水的用途,COD、,TDS、Cl-,《》(GB/T19923—2005)[3],:(1):140m3/h,。,Cl-、TDS,,。(2):10m2,2L/(m2·d),150d(5—9),200m3/d。(GB/T18920—2002)[4],TDS,,。(3):3,、、,79000m2。16m3/h。10000t/d,8%(3%),20m3/h。。2.3.3 膜处理水的用途、、;,,、、、,,,、、、、、。,GB/T19923—2005[3],。,,,,,,。1。图1 焦化厂外排水综合利用流向3 结束语,,,,、,,,。,,,,。 [1] GB8798—1996,污水综合排放标准[S].[2] 刘金泉,王凯.几种高级氧化技术在焦化废水深度处理中的应用比选[J].水处理技术,2009,35(1):112-115.[3] GB/T19923—2005,城市污水再生利用工业用水水质[S].[4] GB/T18920—2002,城市污水再生利用城市杂用水水质标准[S].64